Home / 10,997.46-15,177.29-6,281.64

Finding the Fourth Proportional to 10,997.46, 15,177.29 and 6,281.64

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Solution

The fourth proportional to 10,997.46, 15,177.29 and 6,281.64 is: 8,669.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,997.46 : 15,177.29 = 6,281.64 : x
  2. Step 2: Convert to fraction form
    10,997.46/15,177.29 = 6,281.64/x
  3. Step 3: Cross multiply
    10,997.46x = 15,177.29 × 6,281.64
  4. Step 4: Simplify right side
    10,997.46x = 95,338,211.77
  5. Step 5: Solve for x
    x = 95,338,211.77/10,997.46
  6. Step 6: Final answer
    x = 8,669.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.